CN113636500B

CN113636500B - Lifting appliance and lifting equipment

Info

Publication number: CN113636500B
Application number: CN202110919666.7A
Authority: CN
Inventors: 贺根申; 唐建国; 詹小辉
Original assignee: Sany Marine Heavy Industry Co Ltd
Current assignee: Sany Marine Heavy Industry Co Ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2023-06-16
Anticipated expiration: 2041-08-11
Also published as: CN113636500A; WO2023016130A1

Abstract

The application relates to the technical field of lifting equipment, and provides a lifting appliance and lifting equipment. The lifting appliance comprises: the bracket comprises a connecting frame and a mounting frame, and the mounting frame is arranged at one end of the connecting frame; the rotary supporting mechanism is rotationally connected to the mounting frame and is provided with a rotary center; the rotary driving device is connected with the rotary supporting mechanism and is configured to drive the rotary supporting mechanism to rotate around a rotary center; and the suspension arm beam is connected with the rotary supporting mechanism and is configured to hoist an object. The lifting appliance and the lifting equipment are arranged at one end of the connecting frame through the mounting frame, and a rotation space can be formed below the connecting frame and the mounting frame, so that the mounting space of the suspension arm beam can be saved, and the adaptability of the lifting appliance to the working environment is improved. The rotary supporting mechanism is rotationally connected with the mounting frame, a rotary center is formed, collision of the rotary driving device in the process of driving the rotary supporting mechanism to rotate is avoided, and reliability of the lifting appliance in the use process is improved.

Description

Lifting appliance and lifting equipment

Technical Field

The application relates to the technical field of lifting equipment, in particular to a lifting appliance and lifting equipment.

Background

In the related art, lifting of containers is achieved by a front handling crane, which belongs to a lifting device of the type having an elongate arm which hangs down at an angle to suspend an expandable spreader for gripping the container. In the process of grabbing the container for lifting, the lifting appliance needs to have a relatively wide plane space, and meanwhile, objects which cannot influence the action of the extension arm in the vertical space are required to exist, such as wires, eave and the like. However, building objects such as wires and eave are widely used in various living workplaces such as wharfs, railway yards, common workshops, villages, cities and the like. When the front swing apparatus is applied to such a place, it is necessary that there is a vertical space or a planar space is limited.

In addition, the front overhead crane has the advantage that containers can be stacked in a certain layer, but in the environment of a common yard and a factory building, the stacking operation is not main, and the transferring operation is frequently a big characteristic. Obviously, the common front-handling crane cannot meet the working environment with limited rotation space and/or limited vertical space.

Content of the application

In view of the foregoing, it is an object of a first aspect of the present application to provide a lifting appliance, which solves or improves the technical problem of limited rotation space of the lifting appliance in the background art.

A first aspect of the present application provides a spreader comprising: the bracket comprises a connecting frame and a mounting frame, wherein the mounting frame is arranged at one end of the connecting frame; the rotary supporting mechanism is rotatably connected to the mounting frame and is provided with a rotary center; a swing drive device connected to the swing support mechanism, the swing drive device configured to drive the swing support mechanism to rotate about the swing center; and the suspension arm beam is connected with the rotary supporting mechanism, is positioned at the included angle and is configured to hoist an object.

The hoist that this application provided in the first aspect locates the one end of link through the mounting bracket, can form the gyration space in the below between link and mounting bracket to can save the installation space of davit roof beam, thereby make the hoist can be applicable to less space and carry out the handling, improved the adaptability of hoist to operational environment, and can improve the structural stability of support. The rotary supporting mechanism is rotationally connected with the mounting frame, a rotary center is formed, collision of the rotary driving device in the process of driving the rotary supporting mechanism to rotate is avoided, and reliability of the lifting appliance in the use process is improved.

With reference to the first aspect, in one possible implementation manner, the slewing bearing includes: the rotating part comprises a fixed part and a rotating part, and the rotating part is in rolling connection with the fixed part and enables the rotating part to rotate around the rotating center; the rotary table is connected with the rotating part and is provided with a horizontally-penetrated mounting groove, and the suspension arm beam penetrates through the mounting groove and is connected with the rotary table; the mounting frame is provided with a through hole which penetrates up and down, and the fixing part is connected with the inner side wall of the through hole.

With reference to the first aspect, in one possible implementation manner, a top rail is disposed on a top surface of the boom beam, and a buffer block is disposed on a top of the mounting groove, where the buffer block and the top rail are spaced from each other and disposed opposite to each other up and down.

With reference to the first aspect, in a possible implementation manner, the lifting appliance further includes: the lateral movement driving device is connected with the suspension arm beam; the sliding mechanism is arranged on the suspension arm beam and the rotary table; the side-shifting driving device drives the suspension arm beam to slide on the sliding mechanism along the sliding direction.

With reference to the first aspect, in one possible implementation manner, the sliding mechanism includes: the guide rail assembly is arranged on the suspension arm beam along the sliding direction; and the sliding block assembly is arranged in the mounting groove and connected with the rotary table, and the sliding block is configured to support the guide rail and slide along the guide rail.

With reference to the first aspect, in one possible implementation manner, the guide rail assembly includes: the bottom guide rail is arranged at the bottom of the suspension arm beam; the side guide rails are arranged on two opposite sides of the suspension arm beam; the sliding block assembly comprises a plurality of sliding blocks which are respectively arranged on two opposite inner side walls of the mounting groove, and the sliding blocks are respectively in matched sliding connection with the bottom guide rail and the side guide rail.

With reference to the first aspect, in one possible implementation manner, the side-shift driving device includes: the side-shifting fixing seat is arranged on the rotary table or the mounting frame; the side-shifting connecting seat is arranged on the suspension arm beam; and the side-shifting driving mechanism comprises a side-shifting installation part and a side-shifting telescopic part, wherein the side-shifting installation part is connected with the side-shifting fixing seat, and the side-shifting telescopic part is connected with the side-shifting connecting seat.

With reference to the first aspect, in one possible implementation manner, the slewing drive device includes: the rotary fixing seat is arranged on the mounting frame; the rotary connecting seat is arranged on the rotary supporting mechanism; the rotary driving mechanism comprises a rotary mounting part and a rotary telescopic part, the rotary mounting part is connected with the rotary fixing seat, and the rotary is connected with the rotary supporting mechanism.

With reference to the first aspect, in one possible implementation manner, the boom beam further includes: a cross beam having opposite ends; and at least two gripping apparatuses respectively arranged at two opposite ends of the cross beam.

A second aspect of the present application provides a handling apparatus comprising: a door frame; and a spreader as described in any one of the implementations; the connecting frame of the lifting appliance is in sliding connection with the portal frame, so that the lifting appliance ascends or descends.

The handling device provided in the second aspect of the present application, due to including the lifting appliance in any of the foregoing implementation manners, has the technical effects of any of the foregoing lifting appliances, and is not described herein again.

Drawings

Fig. 1 is a schematic side view of a lifting appliance according to some embodiments of the present application.

Fig. 2 is a schematic partial front view of a lifting device according to some embodiments of the present application.

Fig. 3 is a schematic view of a partial top view of the lifting apparatus provided by the implementation shown in fig. 2.

Fig. 4 is a schematic diagram of a partial side view of the lifting apparatus provided by the implementation shown in fig. 2.

Fig. 5 is a schematic perspective view of a lifting device according to the embodiment shown in fig. 2.

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be made clearly and completely with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Summary of the application

In order to solve the technical problem that the lifting appliance in the background art is limited by a rotation space and a vertical space, a forklift fork knife can be used for directly lifting the container, but in general, only empty box operation or light load condition can be completed. Or, a simple hand grip is used to lift the container from the top, but if the rotation adjusting and side-shifting gravity center adjusting functions are not provided, the lifting efficiency of the container is reduced.

The basic idea of the present application is to provide a lifting appliance and a lifting device for solving the above technical problems. Splitting the lifting appliance into two layers: the first layer is used for enabling the boom to rotate around the rotation center, so that the rotation space can be reduced; the second layer is used for the boom beam to horizontally adjust the position so as to realize the balance for lifting objects. Because the contained angle between link and the mounting bracket is the obtuse angle, and the hanging beam arm is located contained angle department for the hanging beam is located the below of support at the in-process of gyration, has reduced the occupation of gyration space, has improved the adaptability of hoist to the environment of gyration space.

It should be noted that the lifting appliance provided by the application can be applied to lifting equipment in any scene, in particular to large-scale lifting equipment. In particular, the machine structure is designed to perform a specific task by performing a specific mechanical action or information transfer through the corresponding machine structure or some or all of the components in the machine structure.

Having described the basic principles of the present application, various non-limiting embodiments of the present application will now be described in detail with reference to the accompanying drawings.

Exemplary lifting appliance

Fig. 1 is a schematic side view of a lifting appliance according to some embodiments of the present application. As shown in fig. 1, the spreader is used for lifting equipment, and the spreader includes: a bracket 110, a slewing bearing 120, a slewing drive 130 and a boom beam 140.

Specifically, the bracket 110 includes a connecting frame 111 and a mounting frame 113, the mounting frame 113 is disposed at one end of the connecting frame 111, one end of the connecting frame 111 is available for connection with a hoisting device, and the other end of the connecting frame 111 is connected with one end of the mounting frame 113, or the connecting frame 111 and the mounting frame 113 are integrally formed. The angle formed between the connection frame 111 and the mounting frame 113 is an obtuse angle, and it is understood that the connection frame 111 may form a support for the mounting frame 113. The slewing bearing 120 is rotatably connected to the mounting frame 113, and the slewing bearing 120 has a slewing center, and the slewing drive device 130 is connected to the slewing bearing 120, and the slewing drive device 130 is configured to drive the slewing bearing 120 to rotate around the slewing center. The boom beam 140 is connected with the rotation support mechanism 120, so that the boom beam 140 can rotate around the rotation center, and the boom beam 140 is positioned at an included angle, so that the occupation of space is reduced. The boom beam 140 is configured to hoist an object.

This hoist, the one end of link 111 is located to mounting bracket 113, can form the gyration space in the below between link 111 and the mounting bracket 113 to can save the installation space of davit roof beam 140, thereby make the hoist can be applicable to less space and handling, improved the adaptability of hoist to operational environment, and can improve the structural stability of support. The rotary support mechanism 120 is rotatably connected with the mounting frame 113, and forms a rotary center, so that collision of the rotary driving device 130 in the process of driving the rotary support mechanism 120 to rotate is avoided, and reliability of the lifting appliance in the use process is improved.

Continuing with the illustration of fig. 1, in one possible implementation, the slewing bearing 120 comprises: the rotating part 121 and the rotating table 123, the rotating part 121 comprises a fixed part and a rotating part, the rotating part is in rolling connection with the fixed part, and the rotating part rotates around the center of the through hole 1131, so that friction between the fixed part and the rotating part can be reduced, the possibility of occurrence of the rotating part in the rotating process can be reduced or stopped, and the reliability of the lifting appliance is improved. The rotating part 121 may be a bearing, the fixing part is an outer ring of the bearing, the rotating part is an inner ring of the bearing, and the turntable 123 is connected with the inner ring of the bearing.

Fig. 2 is a schematic partial front view of a lifting device according to some embodiments of the present application. As shown in fig. 2, the outer contour of the turntable 123 increases in size from top to bottom, so that the structure of the turntable 123 is more stable. Fig. 3 is a schematic view of a partial top view of the lifting apparatus provided by the implementation shown in fig. 2. As shown in fig. 2 and 3, the turntable 123 has a horizontal through mounting groove, and the boom beam 140 penetrates through the mounting groove and is connected with the turntable 123, so that the boom beam 140 is partially wrapped in the turntable 123, and the mounting groove plays a limiting role on the boom beam 140. Continuing with fig. 3, the mounting bracket 113 has a through hole 1131 penetrating up and down, and the fixing portion is connected to the inner side wall of the through hole 1131. The slewing bearing 120 may not protrude from the mounting frame 113, wherein the slewing bearing 120 is directly and rigidly connected to the through hole 1131, so that the slewing bearing is partially embedded in the mounting frame 113, and thus, no additional mounting space is occupied.

Continuing with fig. 2 and 3, in one possible implementation, the top surface of the boom beam 140 is provided with a top rail 165, the top of the mounting groove is provided with a buffer block 167, and the buffer block 167 and the top rail 165 are spaced from each other and are arranged opposite to each other up and down, so that a buffer space exists between the turntable 123 and the boom beam 140, and a hard impact of the forklift lifting cylinder on the lifting appliance can be prevented, thereby protecting the lifting appliance.

The two top rails 165 may be disposed at intervals on the top surface of the boom 140, and the buffer blocks 167 are disposed at intervals corresponding to the two top rails 165 and are respectively in one-to-one correspondence with the two top rails 165, so that when the lifting cylinder lifts the lifting tool, the buffer blocks 167 slide in cooperation with the top rails 165 after the lifting cylinder is stabilized, thereby playing a role of buffering.

Continuing with the illustration of fig. 3, in one possible implementation, the spreader further comprises: a side-shift drive 150 and a slide mechanism 160. Wherein the side-shifting drive 150 is coupled to the boom beam 140 to be able to drive the boom beam 140 to move laterally so that containers lifted on opposite sides of the boom beam 140 can be adjusted to remain balanced. The sliding mechanism 160 is disposed on the boom beam 140 and the turntable 123, such that the boom beam 140 can be slidably connected to the turntable 123, wherein the lateral movement driving device 150 drives the boom beam 140 to slide on the sliding mechanism 160 along the sliding direction, so as to ensure the adjustment of the position of the boom beam 140.

The lifting appliance can also comprise a controller which is in communication connection with the swing driving device 130, and the controller sends out an instruction for controlling the swing driving device 130 to swing. The controller is in communication with the side shift drive device 150, and issues commands to control the side shift drive device 150 to move laterally. The controller is in communication with the side-shift drive 150 and the swing drive 130, respectively, and is capable of controlling both the swing and lateral movement of the boom beam 140.

Continuing with the illustration of fig. 3, in one possible implementation, the slide mechanism 160 includes: the guide rail assembly and the slider assembly, it will be understood that the guide rail assembly includes a plurality of guide rails, the slider assembly includes a plurality of sliders 163, the guide rail assembly is disposed on the boom beam 140 along the sliding direction, the slider assembly is disposed in the mounting groove, and the slider assembly is connected with the turntable 123, and the sliders 163 are configured to support the guide rails and slide along the guide rails. The plurality of guide rails cooperate with the plurality of sliders 163 to ensure structural stability of the boom beam 140.

As further shown in connection with fig. 2 and 3, in one possible implementation, a rail assembly includes: bottom rail and side rail 161. The sliding block assembly comprises a plurality of sliding blocks 163 which are respectively arranged on two opposite inner side walls of the mounting groove, and the sliding blocks 163 are respectively connected with the bottom guide rail and the side guide rail 161 in a matched sliding manner. The guide rail assembly comprises a bottom guide rail, the bottom guide rail is arranged at the bottom of the boom beam 140, two bottom guide rails can be arranged at intervals, and correspondingly, the lower end of the groove wall at the inner side of the mounting groove is provided with a sliding block 163, and the sliding block 163 is supported on the bottom guide rail to play a supporting role on the boom beam 140. The rail assembly further includes side rails 161, the side rails 161 are disposed on opposite sides of the boom beam 140, two side rails 161 may be disposed on each side, and accordingly, a slider 163 sliding with the side rails 161 is disposed on a groove wall on an inner side of the mounting groove, and the slider 163 and the side rails 161 cooperate with each other and can also play a role in resisting torque of the boom beam 140.

Continuing with fig. 3, in one possible implementation, side-shift drive 150 includes: the side shift fixing seat 151, the side shift connecting seat 155 and the side shift driving mechanism 153, wherein fig. 5 is a schematic perspective view of a lifting device provided in the implementation manner shown in fig. 2. As shown in fig. 5, the side-shift fixing base 151 is disposed on the turntable 123, so that the side-shift driving mechanism 153 is connected with the turntable 123, so as to reduce the torque generated by the side-shift driving mechanism 153 on the mounting frame 113 in the process of driving the boom beam 140 to translate.

Alternatively, as shown in fig. 3, the side-shift fixing base 151 may be disposed on the mounting frame 113, so as to facilitate installation of the side-shift fixing base 151. The side-shifting connecting seat 155 is arranged on the boom 140, the side-shifting driving mechanism 153 comprises a side-shifting installation part and a side-shifting telescopic part, the side-shifting installation part is connected with the side-shifting fixing seat 151, and the side-shifting telescopic part is connected with the side-shifting connecting seat 155, so that the side-shifting telescopic part can drive the boom 140 to move left and right through telescopic movement. The side shift driving mechanism 153 may be an oil cylinder.

Continuing with the illustration of fig. 3, in one possible implementation, the swing drive 130 includes: the rotary fixing base 131, the rotary connecting base 135 and the rotary driving mechanism 133 are arranged on the mounting frame 113, so that the rotary driving mechanism 133 is connected with the mounting frame 113, and the rotary connecting base 135 is arranged on the rotary supporting mechanism 120 to conveniently drive the rotary supporting mechanism 120 to rotate. The swing driving mechanism 133 includes a swing mounting portion and a swing telescopic portion, the swing mounting portion is connected with the swing fixing base 131, and the swing is connected with the swing supporting mechanism 120, so that the swing telescopic portion can drive the swing supporting mechanism 120 to switch between forward rotation and reverse rotation through the telescopic motion.

As further shown in connection with fig. 2 and 3, in one possible implementation, the boom beam 140 comprises: a cross beam 141 and at least two grippers 143, the cross beam 141 having opposite ends, the at least two grippers 143 being provided at opposite ends of the cross beam 141, respectively, the grippers 143 being usable for gripping containers. More specifically, the cross beam 141 is a girder and the gripper 143 is a trabecula. Opposite ends of the cross beam 141 are provided with a gripping device 143, respectively.

Exemplary lifting apparatus

Fig. 4 is a schematic diagram of a partial side view of the lifting apparatus provided by the implementation shown in fig. 2. As shown in connection with fig. 4 and 5, the lifting apparatus 10 includes: a gantry 200 and a spreader 100 in either implementation. Wherein the connection frame 111 of the spreader 100 is slidably connected with the gantry 200 such that the spreader 200 is raised or lowered. The lifting device 10 can be a forklift, and the gantry 200 of the forklift and the lifting appliance 100 are matched and connected into a whole, so that the efficiency is higher.

In particular, the forklift may be a heavy forklift. The interface of the spreader 100 is connected to the gantry 200, i.e. the bracket 110 is connected to the gantry 200. The connection mode can be direct connection or can be through a side-movable marking fork frame. The bracket 110 may move at least up and down on the rails of the gantry 200 after being coupled, but is not limited to being capable of moving up and down.

The pivoting support mechanism 120 is connected to the bracket 110 in a hidden manner by a direct rigid connection. The hidden connection mode, that is, the integral structure of the turning part 121 of the pivoting support mechanism 120 is embedded in the connecting frame 113, so that no additional installation space is occupied.

The revolving platform is connected with the revolving part on one hand so as to rotate around the revolving center, a sliding block is arranged in the revolving platform, a sliding rail is arranged on a girder which allows the sliding block to be connected with the lifting appliance, the sliding rail is connected with the sliding block on the revolving platform, and therefore the lifting appliance girder and the trabeculae on two sides are allowed to generate relative motion relative to the revolving platform.

This lifting device 10, through the interface connection of hoist 100 and fork truck, can reach the function that utilizes fork truck to realize openly hanging the formula hoist to reduce user's use cost, improve efficiency, reduce the special demand of equipment.

In addition, the handling device 10 in the present application, due to including the lifting appliance 100 in any of the above implementation manners, has the technical effects of the lifting appliance 100 in any of the above implementation manners, and will not be described herein again.

The foregoing description of the preferred embodiments of the present invention is not intended to limit the invention to the precise form disclosed, and any modifications, equivalents, and alternatives falling within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A spreader for a forklift, the spreader comprising:

the door frame is provided with a track;

the bracket comprises a connecting frame and a mounting frame, one end of the connecting frame is in sliding connection with the portal frame and is suitable for ascending or descending along the track, the other end of the connecting frame is connected with one end of the mounting frame, an included angle formed between the connecting frame and the mounting frame is an obtuse angle, and the mounting frame is provided with a through hole which penetrates up and down;

the rotary supporting mechanism is rotatably connected to the mounting frame and is provided with a rotary center;

a swing drive device connected to the swing support mechanism, the swing drive device configured to drive the swing support mechanism to rotate about the swing center; and

the suspension arm beam is connected with the rotary supporting mechanism and is configured to hoist an object;

wherein, the gyration supporting mechanism includes:

the rotating part comprises a fixed part and a rotating part, the fixed part is rigidly connected with the inner side wall of the through hole, and the rotating part is in rolling connection with the fixed part and enables the rotating part to rotate around the rotating center; and

the rotary table is connected with the rotating part and is provided with a horizontally-penetrating mounting groove, the suspension arm beam penetrates through the mounting groove and is connected with the rotary table, and the suspension arm beam is partially wrapped in the rotary table.

2. The spreader of claim 1, wherein the top surface of the boom beam is provided with a top rail, the top of the mounting groove is provided with a buffer block, and the buffer block and the top rail are spaced from each other and are disposed opposite to each other up and down.

3. The spreader of claim 1, further comprising:

the lateral movement driving device is connected with the suspension arm beam; and

the sliding mechanism is arranged on the suspension arm beam and the rotary table;

wherein the side-shifting drive is configured to drive the boom beam to slide along the slide mechanism in a sliding direction.

4. The spreader of claim 3, wherein the slide mechanism comprises:

the guide rail assembly is arranged on the suspension arm beam along the sliding direction; and

and the sliding block assembly is arranged in the mounting groove and connected with the rotary table, and is configured to support the guide rail and slide along the guide rail.

5. The spreader of claim 4, wherein the rail assembly comprises:

the bottom guide rail is arranged at the bottom of the suspension arm beam; and

the side guide rails are arranged on two opposite sides of the suspension arm beam;

the sliding block assembly comprises a plurality of sliding blocks which are respectively arranged on two opposite inner side walls of the mounting groove, and the sliding blocks are respectively matched with the bottom guide rail and the side guide rail to slide.

6. The spreader of claim 3, wherein the side-shift drive comprises:

the side-shifting fixing seat is arranged on the rotary table or the mounting frame;

the side-shifting connecting seat is arranged on the suspension arm beam; and

the side-shifting driving mechanism comprises a side-shifting installation part and a side-shifting telescopic part, wherein the side-shifting installation part is connected with the side-shifting fixing seat, and the side-shifting telescopic part is connected with the side-shifting connecting seat.

7. The spreader of any one of claims 1 to 6, wherein the swing drive comprises:

the rotary fixing seat is arranged on the mounting frame;

the rotary connecting seat is arranged on the rotary supporting mechanism; and

the rotary driving mechanism comprises a rotary installation part and a rotary telescopic part, wherein the rotary installation part is connected with the rotary fixing seat, and the rotary telescopic part is connected with the rotary supporting mechanism.

8. The spreader of any one of claims 1-6, wherein the boom beam further comprises:

a cross beam having opposite ends; and

and the at least two gripping devices are respectively arranged at two opposite ends of the cross beam.

9. A lifting apparatus comprising:

a spreader according to any one of claims 1 to 8.